Tool.



F. P. VAUGHAN.

TOOL.

APPLICATION FILED JUNE 13, 1913.

Patented Apr. 113,

W'mmwms: $1M

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THE NORRIS PETERS Co., PHOTD-LITHQ. WASHINGTg-R N, 0

A IF,

FREDERICK P. VAUGHAN, OF CHICAGO, ILLINOIS, ASSIGNOR T0 CHARLES E. STILL, 0F KIBKSVILLE, MISSOURI.

TOOL.

Specification of Letters Patent.

Patented Apr. 13, Twila.

Application filed June 13, 1913. Serial No. 773,374.

To all whom it may concern Be it known that I, FREDERICK P. VAUGHAN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented contain new and useful Improvements in Tools, of which the following is a specification.

This invention relates more particularly to tools intended for mechanics or for general use, and is primarily intended to be used as a wrench, but may also serve for a variety of purposes, such as a square, scale or measure, and caliper.

This invention includes a novel form of adjustment which is particularly useful in connection with a wrench, as it provides a simple and effective means of readily moving the wrench jaws with respect to each other and holding the jaws in adjusted position.

Other objects and advantages of my invention will appear more particularly from the following description.

In the accompanying drawings illustrating this invention; Figure 1 is a top or plan view; Fig. 2 is a similar view with the parts shown in different positions and including certain modifications; Fig. 3 is a side view of the device as shown in Fig. 1 with a portion broken away for convenience in illustration.

In a preferred form of construction, my improved tool or device comprises a rectangular frame or plate, as indicated at 4 in the drawings, having a central opening 5 for receiving a slidable plate or strip 6, which is preferably of about the same thickness as the frame a. The plate or strip 6 is provided with means for holding it in position, such means preferably comprising end guides 7'7, which are riveted or otherwise secured to the plate and extend over the upper surface of the sides of the frame 4. These strips prevent the movement of the plate in one direction and the frame is provided with centrally arranged grooved strips 8v8 which are rigidly secured thereto and which hold the plate 6 from movement in the opposite direction. By means of this arrangement the lower surface of the wrench or tool is left without any projections, and the plate 6 is free to move longitudinally in the frame. This plate is also provided with a diagonally arranged tongue 9, which is rigidly secured thereto, and which engages with a diagonal or slanting groove 10 in a slide 11, which slide is pro vided with tongues or projections 12 fitting within the grooves 13 in the strips 8. The plate 6 is preferably arranged as shown in Fig. so that when the slide 11 is in central positlon, one end as indicated at 14, will be closer to the adjacent end of the frame than the end 15 is to its adjacent end of the frame. In other words different sized openings are left when the parts are in this position. The operation of the device will now be readily understood. When the slide 11 is moved in one direction as indicated in full line in Fig. 2, the tongue 9 is caused to move to the left and the throw is preferably sufficient to cause the end 14: to close against the end of the frame, at which time the end 15 has receded. a sufficient distance from its adj acent end of the frame to make the largest size opening for nuts or the like. Then when the slide 11 is moved in the opposite direction as indicated by dotted lines in Fig. 2, the plate 6 is moved to the right which causes the end 15 to approach its adjacent frame end, but the throw is not sufficient to close this end against the frame. I/Vith this arrangement, the two ends, or double jaws, will provide for a large number of diflerent sized nuts or bolt heads. The wrench or tool may be readily held in one hand, and the slide 11 operated by a thumb or finger so that the jaws can be readily adjusted to different positions. It will also be noted that this novel form of adjustment provides for an infinite number of positions of the jaws, so that they may be readily adjusted or tightened to fit any size of nuts within the range of their movement, and when so adjusted the jaws will be held readily in position on account of the broad bearings and eifective locking device. While I usually prefer to have the frame 4; made continuous yet, if desired, it may be cut away as indicated in Fig. .2 to make an open jaw.

The frame 4 may be provided with a scale or divisions as indicated at 16, so that it can be used as a rule and may also be provided with a scale or divisions 17 so that it may be used as a caliper, that is may be used to measure the thickness or diameter of articles placed between the jaws. The plate 8 may also be provided with a Vernier or reading scale 18 which co-acts With the mark 19 on the slide 11 for making delicate or close readings. The frame 4 being substantially rectangular may also be used as a square.

Having thus described my invention Which, however, I do not Wish to limit to the exact arrangement or details of construction v herein shown and described, except as specified in the appended claims, What I claim and desire to secure by Letters Patent is:

1. In a Wrench or the like, the combination of a frame,'a' slidable plate mounted in said frame, a slide mounted crosswise of said frame and having a diagonal groove therein, guides on the frame for said slide and a tongue on said plate fitting Within said groove, said slide and tongue serving FREDERICK P. VAUGHAN.

Witnesses:

RoB'r. LInN, IRENE FORREST.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

